<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
   <div id="app">
       <input type="checkbox" v-model="checked" id="checked">
       <label for="checked">选择状态：{{ checked }}</label>
   </div> 
   <script src="https://cdn.jsdelivr.net/npm/vue"></script>
   <script>
       var app = new Vue({
           el:'#app',
           data:{
               checked:false
           }
       })
   </script>
</body>
</html>